粗晶/细晶CuCr50触头材料的电弧运动行为及其烧蚀特性

刘彪, 王军, 袁召, 王哲, 常延丽, 李青山

Arc Motion Behavior and Ablation Characteristics of Coarse-grained/Fine-grained CuCr50 Contact Materials

LIU Biao, WANG Jun, YUAN Zhao, WANG Zhe, CHANG Yanli, LI Qingshan

图7 粗晶和细晶CuCr50触头电弧烧蚀的SEM形貌

Fig.7 SEM images of coarse-grained/fine-grained CuCr50 contact arc ablation (a, c, e) coarse-grained；(b, d, f) fine-grained